import pytest
from unittest.mock import AsyncMock, MagicMock

from services.chat import ChatService


@pytest.fixture
def mock_api():
    api = MagicMock()
    api.reset = AsyncMock()
    api.save_feedback = AsyncMock()
    return api


@pytest.fixture
def service(mock_api):
    return ChatService(mock_api)


async def test_reset_delegates_to_api(service, mock_api):
    await service.reset("user1")
    mock_api.reset.assert_awaited_once_with("user1")


async def test_save_feedback_delegates_to_api(service, mock_api):
    await service.save_feedback("user1", "질문", "답변", 1, "run-123")
    mock_api.save_feedback.assert_awaited_once_with("user1", "질문", "답변", 1, "run-123")


async def test_save_feedback_with_no_run_id(service, mock_api):
    await service.save_feedback("user1", "질문", "답변", -1, None)
    mock_api.save_feedback.assert_awaited_once_with("user1", "질문", "답변", -1, None)


def test_chat_returns_api_iterator(service, mock_api):
    sentinel = object()
    mock_api.chat = MagicMock(return_value=sentinel)
    result = service.chat("안녕", "user1", False)
    assert result is sentinel
    mock_api.chat.assert_called_once_with("안녕", "user1", False)